A cross-platform game framework based on OpenGL and GObject.
2D Game Engine, based on OpenGL and focused on Isometric Games
3D game engine for C and C++
A graphics engine + toolkit.
A lightweight HTML5 Game Engine
Game development toolkit
A very small multi-platform game engine for creating desktop games.
Little game background framework in java.
Pear3DEngine is a modern and modular 3D development framework
An extensible development framework for roleplay games.
cross-platform 2d game engine
Cross-platform reimplementation of AMOS BASIC (runtime)
Multi-Language Wrapper Collection for the Irrlicht Engine
Formerly CraveJs, it's for creating JavaScript applications and games.
Cross-platform 2D game engine
Game framework on top of Python, Panda3D and Twisted
AMOS BASIC reimplementation in Java
Tween for Torque